<template>
<div>
<!-- 面包屑导航区域 -->
<el-breadcrumb separator-class="el-icon-arrow-right">
<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
<el-breadcrumb-item>权限管理</el-breadcrumb-item>
<el-breadcrumb-item>角色列表</el-breadcrumb-item>
</el-breadcrumb>
<!-- 卡片视图 -->
<el-card>
<!-- 添加角色按钮区域 -->
<el-row>
<el-col>
<el-button type="primary">添加角色</el-button>
</el-col>
</el-row>
<!-- 角色列表区域 -->
<el-table :data="rolelist" border stripe>
<!-- 展开列 -->
<el-table-column type="expand">
<template slot-scope="scope">
<el-row :class="['bdbottom', i1 === 0 ? 'bdtop' : '', 'vcenter']" v-for="(item1, i1) in scope.row.children" :key="item1.id">
<!-- 渲染一级权限 -->
<el-col :span="5">
<el-tag closable @close="removeRightById(scope.row, item1.id)">{{item1.authName}}</el-tag>
<i class="el-icon-caret-right"></i>
</el-col>
<!-- 渲染二级和三级权限 -->
<el-col :span="19">
<!-- 通过 for 循环 嵌套渲染二级权限 -->
<el-row :class="[i2 === 0 ? '' : 'bdtop', 'vcenter']" v-for="(item2, i2) in item1.children" :key="item2.id">
<el-col :span="6">
<el-tag type="success" closable @close="removeRightById(scope.row, item2.id)">{{item2.authName}}</el-tag>
<i class="el-icon-caret-right"></i>
</el-col>
<el-col :span="18">
<el-tag type="warning" v-for="(item3, i3) in item2.children" :key="item3.id" closable @close="removeRightById(scope.row, item3.id)">{{item3.authName}}</el-tag>
</el-col>
</el-row>
</el-col>
</el-row>
<!-- <pre>
{{scope.row}}
</pre> -->
</template>
</el-table-column>
<!-- 索引列 -->
<el-table-column type="index"></el-table-column>
<el-table-column label="角色名称" prop="roleName"></el-table-column>
<el-table-column label="角色描述" prop="roleDesc"></el-table-column>
<el-table-column label="操作" width="300px">
<template slot-scope="scope">
<el-button size="mini" type="primary" icon="el-icon-edit">编辑</el-button>
<el-button size="mini" type="danger" icon="el-icon-delete">删除</el-button>
<el-button size="mini" type="warning" icon="el-icon-setting" @click="showSetRightDialog(scope.row)">分配权限</el-button>
</template>
</el-table-column>
</el-table>
</el-card>
<!-- 分配权限的对话框 -->
<el-dialog title="分配权限" :visible.sync="setRightDialogVisible" width="50%" @close="setRightDialogClosed">
<!-- 树形控件 -->
<el-tree :data="rightslist" :props="treeProps" show-checkbox node-key="id" default-expand-all :default-checked-keys="defKeys" ref="treeRef"></el-tree>
<span slot="footer" class="dialog-footer">
<el-button @click="setRightDialogVisible = false">取 消</el-button>
<el-button type="primary" @click="allotRights">确 定</el-button>
</span>
</el-dialog>
</div>
</template>
<script>
export default {
data() {
return {
// 所有角色列表数据
rolelist: [],
// 控制分配权限对话框的显示与隐藏
setRightDialogVisible: false,
// 所有权限的数据
rightslist: [],
// 树形控件的属性绑定对象
treeProps: {
label: 'authName',
children: 'children'
},
// 默认选中的节点Id值数组
defKeys: [],
// 当前即将分配权限的角色id
roleId: ''
}
},
created() {
this.getRolesList()
},
methods: {
// 获取所有角色的列表
async getRolesList() {
const { data: res } = await this.$http.get('roles')
if (res.meta.status !== 200) {
return this.$message.error('获取角色列表失败！')
}
this.rolelist = res.data
console.log(this.rolelist)
},
// 根据Id删除对应的权限
async removeRightById(role, rightId) {
// 弹框提示用户是否要删除
const confirmResult = await this.$confirm(
'此操作将永久删除该文件, 是否继续?',
'提示',
{
confirmButtonText: '确定',
cancelButtonText: '取消',
type: 'warning'
}
).catch(err => err)
if (confirmResult !== 'confirm') {
return this.$message.info('取消了删除！')
}
const { data: res } = await this.$http.delete(
`roles/${role.id}/rights/${rightId}`
)
if (res.meta.status !== 200) {
return this.$message.error('删除权限失败！')
}
// this.getRolesList()
role.children = res.data
},
// 展示分配权限的对话框
async showSetRightDialog(role) {
this.roleId = role.id
// 获取所有权限的数据
const { data: res } = await this.$http.get('rights/tree')
if (res.meta.status !== 200) {
return this.$message.error('获取权限数据失败！')
}
// 把获取到的权限数据保存到 data 中
this.rightslist = res.data
console.log(this.rightslist)
// 递归获取三级节点的Id
this.getLeafKeys(role, this.defKeys)
this.setRightDialogVisible = true
},
// 通过递归的形式，获取角色下所有三级权限的id，并保存到 defKeys 数组中
getLeafKeys(node, arr) {
// 如果当前 node 节点不包含 children 属性，则是三级节点
if (!node.children) {
return arr.push(node.id)
}
node.children.forEach(item => this.getLeafKeys(item, arr))
},
// 监听分配权限对话框的关闭事件
setRightDialogClosed() {
this.defKeys = []
},
// 点击为角色分配权限
async allotRights() {
const keys = [
...this.$refs.treeRef.getCheckedKeys(),
...this.$refs.treeRef.getHalfCheckedKeys()
]
const idStr = keys.join(',')
const { data: res } = await this.$http.post(
`roles/${this.roleId}/rights`,
{ rids: idStr }
)
if (res.meta.status !== 200) {
return this.$message.error('分配权限失败！')
}
this.$message.success('分配权限成功！')
this.getRolesList()
this.setRightDialogVisible = false
}
}
}
</script>
<style lang="less" scoped>
.el-tag {
margin: 7px;
}
.bdtop {
border-top: 1px solid #eee;
}
.bdbottom {
border-bottom: 1px solid #eee;
}
.vcenter {
display: flex;
align-items: center;
}
</style>